/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import java.util.NoSuchElementException;
import java.util.StringTokenizer;

import net.sf.l2j.gameserver.ai.CtrlIntention;
import net.sf.l2j.gameserver.datatables.MapRegionTable;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2Clan;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;

/**
 * This class handles teleport admin commands
 */
public class AdminTeleport implements IAdminCommandHandler
{
    private static final String[] ADMIN_COMMANDS = 
    {
    	"admin_runmod",
		"admin_instant_move",
    	"admin_tele",
        "admin_tele_areas",
        "admin_goto",
        "admin_teleportto", //deprecated
        "admin_recall",
        "admin_recall_party",
        "admin_recall_clan",
        "admin_move_to",
        "admin_sendhome"
    };

    public boolean useAdminCommand(String command, L2PcInstance activeChar) 
    {
    	// runmod
        if (command.equals("admin_runmod") || command.equals("admin_instant_move"))
            activeChar.setTeleMode(1);
        if (command.equals("admin_runmod tele"))
            activeChar.setTeleMode(2);
        if (command.equals("admin_runmod norm"))
            activeChar.setTeleMode(0);
        
        // teleport via panels
        if (command.equals("admin_tele"))
        	AdminHelpPage.showHelpPage(activeChar, "teleports.htm");
        if (command.equals("admin_tele_areas"))
        	AdminHelpPage.showHelpPage(activeChar, "tele/other.htm");
        
        // recalls / goto types
        if (command.startsWith("admin_goto") || command.startsWith("admin_teleportto"))
		{
        	StringTokenizer st = new StringTokenizer(command);
        	if (st.countTokens() > 1)
	        {
        		st.nextToken();
        		String plyr = st.nextToken();
        		L2PcInstance player = L2World.getInstance().getPlayer(plyr);
        		if (player == null)
				{
        			activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
        			return false;
				}
			        
        		teleportToCharacter(activeChar, player);
	        }
		}
        else if (command.startsWith("admin_recall "))
        {
            try
            {
                String targetName = command.substring(13);
                L2PcInstance player = L2World.getInstance().getPlayer(targetName);
		        if (player == null)
		        {
		        	activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
		            return false;
		        }
		        
           	    teleportCharacter(player, activeChar.getX(), activeChar.getY(), activeChar.getZ());
            }
            catch (StringIndexOutOfBoundsException e){}
        }
		else if (command.startsWith("admin_recall_party"))
		{
			try
			{
				String targetName = command.substring(19);
				L2PcInstance player = L2World.getInstance().getPlayer(targetName);
		        if (player == null)
		        {
		        	activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
		            return false;
		        }
				
				if (player.getParty() != null)
				{
					for (L2PcInstance pm : player.getParty().getPartyMembers())
						teleportCharacter(pm, activeChar.getX(), activeChar.getY(), activeChar.getZ());
					
					activeChar.sendMessage("You recall " + player.getName() + "'s party.");
				}
				else
				{
					activeChar.sendMessage("You recall " + player.getName() + ", but he isn't in a party.");
					teleportCharacter(player, activeChar.getX(), activeChar.getY(), activeChar.getZ());
				}
			}
			catch (StringIndexOutOfBoundsException e){}
		}
		else if (command.startsWith("admin_recall_clan"))
		{
			try
			{
				String targetName = command.substring(18);
				L2PcInstance player = L2World.getInstance().getPlayer(targetName);
		        if (player == null)
		        {
		        	activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
		            return false;
		        }
				
				L2Clan clan = player.getClan();
				if (clan != null)
				{
					L2PcInstance[] members = clan.getOnlineMembers(0);
					for (int i = 0; i < members.length; i++)
						teleportCharacter(members[i], activeChar.getX(), activeChar.getY(), activeChar.getZ());
					
					activeChar.sendMessage("You recall " + player.getName() + "'s clan.");
				}
				else
				{
					activeChar.sendMessage("You recall " + player.getName() + ", but he isn't a clan member.");
					teleportCharacter(player, activeChar.getX(), activeChar.getY(), activeChar.getZ());
				}
			}
			catch (StringIndexOutOfBoundsException e){}
		}
        else if (command.startsWith("admin_move_to"))
        {
            try
            {
                String val = command.substring(14);
                teleportTo(activeChar, val);
            }
            catch (Exception e)
            {
                //Case of empty or missing coordinates
                AdminHelpPage.showHelpPage(activeChar, "teleports.htm");
            }
        }
        else if (command.startsWith("admin_sendhome"))
        {
        	StringTokenizer st = new StringTokenizer(command);
        	if (st.countTokens() > 1)
	        {
        		st.nextToken();
        		String plyr = st.nextToken();
        		L2PcInstance player = L2World.getInstance().getPlayer(plyr);
        		if (player == null)
				{
        			activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
        			return false;
				}
			        
        		sendHome(player);
	        }
        	else
        	{
            	L2Object target = activeChar.getTarget();			
            	L2PcInstance player = null;
            	
            	// if target isn't a player, select yourself as target
            	if (target instanceof L2PcInstance)
    				player = (L2PcInstance)target;
    			else
    				player = activeChar;
            	
    	        sendHome(player);
        	}
        }
        return true;
    }

    private void sendHome(L2PcInstance player)
    {
    	player.teleToLocation(MapRegionTable.TeleportWhereType.Town);
    	player.setIsIn7sDungeon(false);
    	player.sendMessage("A GM sent you at nearest town.");
    }
    
    private void teleportTo(L2PcInstance activeChar, String Cords)
    {
        try
        {
            StringTokenizer st = new StringTokenizer(Cords);
            String x1 = st.nextToken();
            int x = Integer.parseInt(x1);
            String y1 = st.nextToken();
            int y = Integer.parseInt(y1);
            String z1 = st.nextToken();
            int z = Integer.parseInt(z1);

            activeChar.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
            activeChar.teleToLocation(x, y, z, false);

            activeChar.sendMessage("You have been teleported to " + Cords + ".");
        }
        catch (NoSuchElementException nsee)
        {
            activeChar.sendMessage("Coordinates you entered as parameter [" + Cords + "] are wrong.");
        }
    }

    private void teleportCharacter(L2PcInstance player, int x, int y, int z)
    {
        player.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
        player.teleToLocation(x, y, z, true);
        player.sendMessage("A GM is teleporting you.");
    }

    private void teleportToCharacter(L2PcInstance activeChar, L2PcInstance target)
    {
        if (target.getObjectId() == activeChar.getObjectId())
        	activeChar.sendPacket(SystemMessageId.CANNOT_USE_ON_YOURSELF);
        else
        {
            int x = target.getX();
            int y = target.getY();
            int z = target.getZ();

            activeChar.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
            activeChar.teleToLocation(x, y, z, true);
            activeChar.sendMessage("You have teleported to " + target.getName() + ".");
        }
    }
    
    public String[] getAdminCommandList()
    {
        return ADMIN_COMMANDS;
    }
}